Electrically conductive material

Abstract

An electrically conductive material includes a liquid gallium alloy mixed with multiple solid particles, so as to form an electrically conductive material in which solid and liquid coexist. The electrically conductive material is disposed between and electrically connecting a first conductor and a second conductor. The first conductor is disposed on a first electronic element, and the second conductor is disposed on a second electronic element.

What is claimed is: 
     
         1 . An electrically conductive material, comprising:
 a liquid gallium alloy mixed with a plurality of solid particles, such that solid and liquid coexist in the electrically conductive material,   wherein the electrically conductive material is disposed between and electrically connecting a first conductor and a second conductor.   
     
     
         2 . The electrically conductive material of  claim 1 , wherein the solid particle is capable of reducing surface tension of the liquid gallium alloy. 
     
     
         3 . The electrically conductive material of  claim 1 , wherein the solid particle is a metal body. 
     
     
         4 . The electrically conductive material of  claim 3 , wherein an antioxidation layer is disposed outside the metal body. 
     
     
         5 . The electrically conductive material of  claim 4 , wherein the antioxidation layer is capable of reacting with the liquid gallium alloy. 
     
     
         6 . The electrically conductive material of  claim 4 , wherein the antioxidation layer is made of silver, gold or palladium. 
     
     
         7 . The electrically conductive material of  claim 3 , wherein the metal body is made of at least one of iron, copper, nickel or silver. 
     
     
         8 . The electrically conductive material of  claim 3 , wherein the metal body is made of iron. 
     
     
         9 . The electrically conductive material of  claim 1 , wherein the solid particle is a nonmetal body. 
     
     
         10 . The electrically conductive material of  claim 9 , wherein the nonmetal body is made of a polymer material. 
     
     
         11 . The electrically conductive material of  claim 10 , wherein the polymer material is silica gel, resin or rubber. 
     
     
         12 . The electrically conductive material of  claim 1 , wherein the particle size of the solid particle is greater than 1 μm. 
     
     
         13 . The electrically conductive material of  claim 1 , wherein the particle size of the solid particle is between 1 μm and 100 μm. 
     
     
         14 . The electrically conductive material of  claim 1 , wherein a volume ratio of the solid particles in the electrically conductive material is greater than 50%. 
     
     
         15 . The electrically conductive material of  claim 1 , wherein a mass ratio of the solid particles in the electrically conductive material is greater than 50%. 
     
     
         16 . The electrically conductive material of  claim 1 , wherein the gallium alloy has a melting point lower than 40° C. 
     
     
         17 . The electrically conductive material of  claim 1 , wherein the first conductor is a tin ball, and the tin ball is at least partially inserted in the electrically conductive material. 
     
     
         18 . The electrically conductive material of  claim 1 , wherein the first conductor is a pin or an elastic sheet, and the pin or the elastic sheet at least partially contacts the electrically conductive material. 
     
     
         19 . The electrically conductive material of  claim 1 , wherein the first conductor does not react with the electrically conductive material. 
     
     
         20 . The electrically conductive material of  claim 1 , wherein the first conductor is a copper ball, and the copper ball is at least partially inserted in the electrically conductive material. 
     
     
         21 . The electrically conductive material of  claim 1 , wherein the first conductor is disposed on a first electronic element. 
     
     
         22 . The electrically conductive material of  claim 21 , wherein the second conductor is disposed on a second electronic element. 
     
     
         23 . The electrically conductive material of  claim 22 , wherein a plurality of the first conductors are disposed on the first electronic element, a plurality of the second conductors respectively corresponding to the first conductors are disposed on the second electronic element, and the first conductors and the second conductors are electrically connected through the electrically conductive material. 
     
     
         24 . The electrically conductive material of  claim 23 , wherein at least one isolating block is disposed between the first electronic element and the second electronic element, and an upper surface and a lower surface of the isolating block abut the first electronic element and the second electronic element respectively. 
     
     
         25 . The electrically conductive material of  claim 23 , wherein at least one barrier is disposed between the adjacent electrically conductive materials. 
     
     
         26 . The electrically conductive material of  claim 23 , wherein a positioning apparatus is further disposed for preventing relative movement of the first electronic element and the second electronic element in a plane direction of the second electronic element. 
     
     
         27 . The electrically conductive material of  claim 23 , wherein a third conductor is located at an opposite side, relative to the second conductor, of the second electronic element, and a guiding portion is disposed for connecting the second conductor and the third conductor. 
     
     
         28 . The electrically conductive material of  claim 27 , wherein a third electronic element is located at a side of the second electronic element, and electrically connects to the third conductor.